35 lines
945 B
TypeScript
35 lines
945 B
TypeScript
import {promises as fs, readFileSync} from "fs";
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export default class FileCache {
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private readonly cache: Record<string, string> = {};
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public async get(file: string, forceRead: boolean = false): Promise<string> {
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if (forceRead || !this.cache[file]) {
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await this.load(file);
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}
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return this.cache[file];
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}
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public getSync(file: string, forceRead: boolean = false): string {
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if (forceRead || !this.cache[file]) {
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this.loadSync(file);
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}
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return this.cache[file];
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}
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public getOrFail(file: string): string {
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if (!this.cache[file]) throw new Error(file + ' not cached.');
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return this.cache[file];
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}
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public async load(file: string): Promise<void> {
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this.cache[file] = (await fs.readFile(file)).toString();
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}
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public loadSync(file: string): void {
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this.cache[file] = readFileSync(file).toString();
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}
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}
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